An interstellar comet, 3I/ATLAS, is speeding through our solar system in 2025, marking only the third such visitor. Traveling ...

After decades of exploring, NASA's Voyager 1 hit the edge of the solar system and passed through a great "wall of fire," ...

It will be a while before you can see it for yourself, however. Halley’s comet was last visible from Earth in 1986, meaning ...

Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than ...

Space weather isn’t referring to rain clouds that float through the galaxy. Instead, it’s caused by massive explosions of ...

IMAP (short for "Interstellar Mapping and Acceleration Probe") is the primary payload on today's flight. The roughly $600 ...

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien technology, a scientist claims in a new report.

At the time, astronomer Jerry Ehman spotted the highly unusual outburst in printed out records, annotating the major radio band fluctuation with the word “Wow!” in red pen, thereby giving it a ...

The rare Comet 3I/ATLAS rocketing through the solar system at 61 km per second poses no threat to Earth, according to the US ...

The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system. The object is a comet hailing from the direction of the constellation ...

An interstellar comet named 3I/ATLAS moves through our solar system. Harvard astrophysicist Avi Loeb suggests it could be alien technology. This is due to its significant mass and size. NASA ...

The European Space Agency's two Mars orbiters take their shot at getting pictures of the exotic interstellar comet 3I/ATLAS.